FKOQR, 1-2-2-1 June 8, 2015Tessellation Nation1-2-2-1, 2-shape tessellation, FKOQRRaymond K. Houston Share this:EmailPrintFacebookMorePinterestTwitter Related posts: FKOQR, 1-1-2-2 FKOQR, 1-1-1M-1M FKOQR, 1-1-2M-2M